Home / 346,989,092.40-520,483,638.60-191,120,727.60

Finding the Fourth Proportional to 346,989,092.40, 520,483,638.60 and 191,120,727.60

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Solution

The fourth proportional to 346,989,092.40, 520,483,638.60 and 191,120,727.60 is: 286,681,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,989,092.40 : 520,483,638.60 = 191,120,727.60 : x
  2. Step 2: Convert to fraction form
    346,989,092.40/520,483,638.60 = 191,120,727.60/x
  3. Step 3: Cross multiply
    346,989,092.40x = 520,483,638.60 × 191,120,727.60
  4. Step 4: Simplify right side
    346,989,092.40x = 99,475,211,713,127,440
  5. Step 5: Solve for x
    x = 99,475,211,713,127,440/346,989,092.40
  6. Step 6: Final answer
    x = 286,681,091.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.